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Finding the Fourth Proportional to 454,307.95, 626,936.52 and 250,377.76

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Solution

The fourth proportional to 454,307.95, 626,936.52 and 250,377.76 is: 345,516.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,307.95 : 626,936.52 = 250,377.76 : x
  2. Step 2: Convert to fraction form
    454,307.95/626,936.52 = 250,377.76/x
  3. Step 3: Cross multiply
    454,307.95x = 626,936.52 × 250,377.76
  4. Step 4: Simplify right side
    454,307.95x = 156,970,961,539.80
  5. Step 5: Solve for x
    x = 156,970,961,539.80/454,307.95
  6. Step 6: Final answer
    x = 345,516.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.